mirror of https://github.com/tc39/test262.git
82 lines
2.8 KiB
JavaScript
82 lines
2.8 KiB
JavaScript
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.plaintime.compare
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description: ISO 8601 time designator "T" required in cases of ambiguity
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features: [Temporal, arrow-function]
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---*/
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const midnight = new Temporal.PlainTime();
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const ambiguousStrings = [
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"2021-12", // ambiguity between YYYY-MM and HHMM-UU
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"1214", // ambiguity between MMDD and HHMM
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"0229", // ditto, including MMDD that doesn't occur every year
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"1130", // ditto, including DD that doesn't occur in every month
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"12-14", // ambiguity between MM-DD and HH-UU
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"202112", // ambiguity between YYYYMM and HHMMSS
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// same strings as above but with a calendar annotation, which must not cause
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// disambiguation in favour of time
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"2021-12[u-ca=iso8601]",
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"1214[u-ca=iso8601]",
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"0229[u-ca=iso8601]",
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"1130[u-ca=iso8601]",
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"12-14[u-ca=iso8601]",
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"202112[u-ca=iso8601]",
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];
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ambiguousStrings.forEach((string) => {
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let arg = string;
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assert.throws(
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RangeError,
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() => Temporal.PlainTime.compare(arg, midnight),
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`${string} is ambiguous and requires T prefix (first argument)`
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);
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assert.throws(
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RangeError,
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() => Temporal.PlainTime.compare(midnight, arg),
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`${string} is ambiguous and requires T prefix (second argument)`
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);
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// The same string with a T prefix should not throw:
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arg = `T${string}`;
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Temporal.PlainTime.compare(arg, midnight);
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Temporal.PlainTime.compare(midnight, arg);
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arg = ` ${string}`;
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assert.throws(
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RangeError,
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() => Temporal.PlainTime.compare(arg, midnight),
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'space is not accepted as a substitute for T prefix (first argument)'
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);
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assert.throws(
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RangeError,
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() => Temporal.PlainTime.compare(midnight, arg),
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'space is not accepted as a substitute for T prefix (second argument)'
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);
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});
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// None of these should throw without a T prefix, because they are unambiguously time strings:
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const unambiguousStrings = [
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"2021-13", // 13 is not a month
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"202113", // ditto
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"2021-13[-13:00]", // ditto
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"202113[-13:00]", // ditto
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"0000-00", // 0 is not a month
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"000000", // ditto
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"0000-00[UTC]", // ditto
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"000000[UTC]", // ditto
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"1314", // 13 is not a month
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"13-14", // ditto
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"1232", // 32 is not a day
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"0230", // 30 is not a day in February
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"0631", // 31 is not a day in June
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"0000", // 0 is neither a month nor a day
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"00-00", // ditto
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"2021-12[-12:00]", // HHMM-UU is ambiguous with YYYY-MM, but TZ disambiguates
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"202112[UTC]", // HHMMSS is ambiguous with YYYYMM, but TZ disambiguates
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];
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unambiguousStrings.forEach((arg) => {
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Temporal.PlainTime.compare(arg, midnight);
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Temporal.PlainTime.compare(midnight, arg);
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});
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